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试试这个：public class AvgN{ public AvgN(){ int []A = {1,3,6,7,9,12,16,19}; } public int addNumbers(int[]A) { int sum=0; for (int i=0; i<A.length; i++) sum +=i; return sum; } public double findAverage () { int sum=0; int []A = {1,3,6,7,9,12,16,19}; for (int i=0; i<A.length; i++) sum +=A; return sum/A.length; } public static void main (String[]args){ AvgN avg= new AvgN(); int []A = {1,3,6,7,9,12,16,19}; System.out.println ("The average of all the numbers in Array = " + avg.findAverage()); System.out.println ("The sum of all the numbers in Array = " + avg.addNumbers(A)); } } 还有，你的代码好乱，可能不会产生你要的结果哦！ |
